Secondly, the low duty cycle leads to the high voltage and current ripple, and enlarges the filter size.
整流输出的电压、电流脉动大，需要增大滤波器的体积；
In traditional charge pump circuits, the output voltage is limited with the threshold voltage, and has to use high stairs to realize. It leads to low power efficiency and large layout area.
在传统的电荷泵电路中，输出电压受阈值电压限制，不得不用高阶电路来实现，致使电路效率低下、面积大。
In traditional charge pump circuits, the output voltage is limited with the threshold voltage, and has to use high stairs to realize. It leads to low power efficiency and large layout area.
在传统的电荷泵电路中，输出电压受阈值电压限制，不得不用高阶电路来实现，致使电路效率低下、面积大。
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